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“hydrated silica”簡單造句,hydrated silica造句子

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A translucent mineral of hydrated silica, often used as a gem.

a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand.

hydrated silica造句

But a new hydrate mineral has now entered the picture: hydrated silica, commonly known as opal.